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"We do fairly often lookup the ggtt vma for an obj." - Chris Wilson. As such, provide a function to offer slightly cheaper access to the vma. Not performance tested. By my quick estimation it saves at least 3 pointer dereferences from the existing mechanism. This patch mostly matches code from Chris in <20130911221430.GB7825@nuc-i3427.alporthouse.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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| vga | ||
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